For example, a few minutes ago, I was looking at holiday fabrics on Joann Fabrics website and then the first ads I saw when I came here were for holiday fabrics from Joann Fabrics.
I still remember the time one of our posters (blanking on which one right now) was asking for an opinion about a Swarovski crystal bracelet they liked. I clicked on the link...and then saw ads for that bracelet on almost every website I went to for weeks after <g>. And now since I had to Google how to spell "Swarovski", I'll probably get ads for their merch.